If a Radioactive Element Has a Half-Life of 10,000 Years,what

question 48

Multiple Choice

If a radioactive element has a half-life of 10,000 years,what fraction of it is left in a rock after 40,000 years?

• A) One-half
• B) One-fourth
• C) One-eighth
• D) One-sixteenth

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Definitions:

IT Department

The division within an organization that is charged with managing information technology and computer systems.

Task Analysis

A detailed, step-by-step description of precisely what a trainee should do and know in order to perform a particular skill.

Organize Content

The process of arranging or structuring information or material in a coherent and logical manner for effective communication or comprehension.

Determine Methods

The process of deciding or establishing the means by which a goal will be achieved.